#include <bits/stdc++.h>

using namespace std;
#define int long long
const int inf = 0x3f3f3f3f;

void solve()
{
    int a, b;
    cin >> a >> b;
    if (b % a == 0) cout << b * (b / a) << endl;
    else cout << a * b / __gcd(a, b) << endl;
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int _ = 1;
    cin >> _;
    while (_--)
    {
        solve();
    }
    return 0;
}